diff options
| -rw-r--r-- | src/rabbit_misc.erl | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/rabbit_misc.erl b/src/rabbit_misc.erl index 3a4fb024fe..7d9167973d 100644 --- a/src/rabbit_misc.erl +++ b/src/rabbit_misc.erl @@ -240,11 +240,20 @@ assert_args_equivalence1(Orig, New, Name, Key) -> {Same, Same} -> ok; {Orig1, New1} -> protocol_error( precondition_failed, - "inequivalent arg '~s' for ~s: " - "required ~w, received ~w", - [Key, rabbit_misc:rs(Name), New1, Orig1]) + "inequivalent arg '~s' for ~s: " + "received ~s but current is ~s", + [Key, rs(Name), val(New1), val(Orig1)]) end. +val(undefined) -> + "none"; +val({Type, Value}) -> + Fmt = case is_binary(Value) of + true -> "the value '~s' of type '~s'"; + false -> "the value '~w' of type '~s'" + end, + lists:flatten(io_lib:format(Fmt, [Value, Type])). + dirty_read(ReadSpec) -> case mnesia:dirty_read(ReadSpec) of [Result] -> {ok, Result}; |